Speech Synthesis Markdown (SSMD) is a lightweight alternative syntax for SSML.
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README.md

SSMD

Build Status

Speech Synthesis Markdown (SSMD) is a lightweight alternative syntax for SSML. This repository contains both the reference implementation of the SSMD-to-SSML conversion tool (ssmd) as well as the specification of the language.

Requirements

The tools and executable specification provided in this repository require Ruby 2.3.4 or better.

Installation

Add this line to your application's Gemfile:

gem 'ssmd'

And then execute:

$ bundle

Or install it yourself as:

$ gem install ssmd

Usage

You can convert SSML to SSMD using SSMD::to_ssml:

require 'ssmd'

ssmd = "hello *SSMD*!"
ssml = SSMD.to_ssml ssmd

puts ssml
# Output: <speak>hello <emphasis>SSMD</emphasis>!</speak>

Sometimes you will want to see just the plain text without any SSMD annotations. For this you can use SSMD::stip_ssmd:

require 'ssmd'

ssmd = "[hallo](de) *SSMD*!"
plain_text = SSMD.strip_ssmd ssmd

puts plain_text
# Output: hallo SSMD!

Note:

This version is still under development. See below which essential SSML constructs are implemented so far:

  • Text
  • Emphasis
  • Break
  • Language
  • Mark
  • Paragraph
  • Phoneme
  • Prosody
  • Say-as
  • Substitution
  • Extensions

Development

After checking out the repo, run bin/setup to install dependencies. You can run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Tests

Run rake spec to run the tests against a given executable.

This implementation and any other can be tested against the SSMD specification. Said specification is extracted from SPECIFICATION.md. It runs each SSMD snippet through the tested tool and compares it to the output of the following SSML snippet. If they match the test passes.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/machisuji/ssmd. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

License

The gem is available as open source under the terms of the MIT License.